Alright, let's work through 9663 times 9330 step by step
9663 × 9330 = 9330 × (9663)
+ 9330 × 3 yielding 27990
+ 9330 × 60 giving us 559800
+ 9330 × 600 producing 5598000
+ 9330 × 9000 which equals 83970000

= 90155790
